/* ============================================================
   PORTFÓLIO BRUNO NATALE — ESTILOS
   Organizado em blocos por área da página.
   ============================================================ */

/* ------------------------------------------------------------
   1. TEMA (variáveis de cor, fonte e medidas)
   ------------------------------------------------------------ */
:root {
  /* Cores de fundo */
  --bg: #0B0F17;        /* fundo principal (escuro) */
  --bg-alt: #111827;    /* seções alternadas */
  --surface: #161E2E;   /* cards e superfícies */
  --border: #243047;    /* bordas e divisórias */

  /* Cores de texto */
  --text: #E6EAF2;        /* texto principal */
  --text-muted: #94A3B8;  /* texto secundário */

  /* Cores de acento (identidade visual) */
  --accent: #0012FC;    /* azul elétrico — links, CTAs, títulos */
  --accent-2: #FCA900;  /* âmbar — chips, detalhes */
  --success: #34D399;   /* verde — saída do terminal */
  --code-bg: #00097D;   /* azul-marinho — fundo do código */

  /* Gradiente de destaque */
  --gradient: linear-gradient(135deg, var(--accent), var(--accent-2));

  /* Medidas e sombras */
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px -10px rgba(0, 0, 0, .6);

  /* Famílias de fonte */
  --font-head: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'SF Mono', Consolas, ui-monospace, monospace;
}

/* ------------------------------------------------------------
   2. RESET E BASE
   ------------------------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.7 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* ------------------------------------------------------------
   3. TIPOGRAFIA
   ------------------------------------------------------------ */
h1, h2, h3 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.5rem, 6vw, 4.25rem); }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--accent-2); color: var(--bg); }

/* Texto com gradiente (nome no hero) */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.muted { color: var(--text-muted); }

/* Rótulo pequeno acima de cada título (// sobre-mim, // skills…) */
.eyebrow {
  font: 500 .875rem var(--font-mono);
  color: var(--accent);
  letter-spacing: .02em;
  margin-bottom: 8px;
}

/* Linha colorida sob os títulos de seção */
h2.title::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 14px;
  background: var(--gradient);
  border-radius: 3px;
}

.section-head { margin-bottom: 40px; }

/* ------------------------------------------------------------
   4. LAYOUT (container e espaçamento das seções)
   ------------------------------------------------------------ */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }
section:nth-of-type(even) { background: var(--bg-alt); }

@media (max-width: 768px) {
  section { padding: 64px 0; }
  h2 { font-size: 1.85rem; }
}

/* ------------------------------------------------------------
   5. NAVBAR (fixa, ganha fundo ao rolar)
   ------------------------------------------------------------ */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  padding: 16px 0;
  transition: background .3s;
}
.nav.scrolled {
  background: rgba(11, 15, 23, .75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo { font: 600 1.1rem var(--font-mono); color: var(--text); }
.logo span { color: var(--accent); }
.logo:hover { text-decoration: none; }

/* Links */
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a { color: var(--text-muted); font-size: .95rem; }
.nav-links a:hover { color: var(--accent); text-decoration: none; }

/* Botão de menu (só aparece em telas pequenas) */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 1.1rem;
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(11, 15, 23, .95);
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 14px 24px; }
}

/* ------------------------------------------------------------
   6. BOTÕES
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 12px 22px;
  border-radius: 999px;
  font: 500 .95rem var(--font-body);
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, border-color .2s, color .2s;
  border: 0;
}
.btn:hover { text-decoration: none; }

/* Botão primário (preenchido com gradiente) */
.btn-primary { background: var(--gradient); color: var(--bg); }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -6px rgba(0, 18, 252, .5);
}

/* Botão secundário (contorno) */
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ------------------------------------------------------------
   7. CARDS E GRID
   ------------------------------------------------------------ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(0, 18, 252, .45); }
.card h3 { margin-bottom: .4em; }
.card p { color: var(--text-muted); font-size: .98rem; margin-bottom: 0; }

/* Grid de 3 colunas (vira 1 coluna em telas pequenas) */
.grid-3 {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* Ícones (SVG em linha) */
.icon {
  width: 28px;
  height: 28px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-bottom: 14px;
  display: block;
}

/* ------------------------------------------------------------
   8. CHIPS DE SKILL (etiquetas em mono)
   ------------------------------------------------------------ */
.chip {
  display: inline-block;
  padding: 4px 12px;
  margin: 4px 6px 0 0;
  border-radius: 999px;
  font: 400 .8rem var(--font-mono);
  color: var(--accent-2);
  background: rgba(252, 169, 0, .1);
  border: 1px solid rgba(252, 169, 0, .25);
}
.chips { margin-top: 14px; }

/* ------------------------------------------------------------
   9. HERO (abertura em tela cheia)
   ------------------------------------------------------------ */
.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
  /* grade de pontos de fundo */
  background-image: radial-gradient(rgba(36, 48, 71, .7) 1px, transparent 1px);
  background-size: 28px 28px;
}
/* brilho colorido desfocado no canto */
.hero::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  right: -120px;
  top: -120px;
  background: var(--gradient);
  filter: blur(140px);
  opacity: .25;
  pointer-events: none;
}
.hero .container { position: relative; }

/* Cargo (com cursor piscante do efeito de digitação) */
.hero .role {
  font: 400 1.05rem var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 1.7em;
}
.hero .role .caret {
  display: inline-block;
  width: 9px;
  height: 1.1em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 3px;
  animation: blink 1s steps(1) infinite;
}
.hero .tagline { font-size: 1.25rem; max-width: 560px; margin-bottom: 32px; }

@keyframes blink { 50% { opacity: 0; } }

/* ------------------------------------------------------------
   10. SOBRE MIM
   ------------------------------------------------------------ */
.about {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 860px) { .about { grid-template-columns: 1fr; } }

/* Cada pilar dentro do card "3 pilares" */
.pillar {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
}
.pillar + .pillar { border-top: 1px solid var(--border); }
.pillar .icon { margin: 2px 0 0; flex: none; }
.pillar h3 { margin: 0 0 2px; font-size: 1.1rem; }
.pillar p { font-size: .92rem; }

/* ------------------------------------------------------------
   11. JANELA DE CÓDIGO (demonstração)
   ------------------------------------------------------------ */
.code-window {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 28px;
}

/* Barra superior (bolinhas de janela + nome + copiar) */
.code-window__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font: .8rem var(--font-mono);
  color: var(--text-muted);
}
.code-window__bar .dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.r { background: #FF5F57; }
.dot.y { background: #FEBC2E; }
.dot.g { background: #28C840; }
.code-window__bar .fname { margin-left: 8px; flex: 1; }

/* Botão "copiar" do código */
.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 3px 10px;
  font: .78rem var(--font-mono);
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }
.copy-btn.done { color: var(--success); border-color: var(--success); }

/* Corpo do código (com números de linha via CSS counter) */
.code-window pre {
  margin: 0;
  padding: 24px 24px 24px 0;
  overflow-x: auto;
  font: .9rem/1.65 var(--font-mono);
  color: var(--text);
  counter-reset: ln;
}
.code-window code { display: block; font: inherit; white-space: normal; }
.code-window .l {
  display: block;
  padding-left: 64px;
  position: relative;
  white-space: pre;
  min-height: 1.65em;
}
.code-window .l::before {
  counter-increment: ln;
  content: counter(ln);
  position: absolute;
  left: 0;
  width: 40px;
  text-align: right;
  color: #475569;
  user-select: none;
}

/* Cores do destaque de sintaxe (Python) */
.tk-k { color: #FCA900; }   /* palavra-chave */
.tk-s { color: #34D399; }   /* string */
.tk-f { color: #0012FC; }   /* função/classe */
.tk-n { color: #F59E0B; }   /* número */
.tk-c { color: #64748B; font-style: italic; }  /* comentário */

/* Saída simulada do terminal */
.terminal-out {
  font: .85rem/1.6 var(--font-mono);
  color: var(--success);
  padding: 16px 24px;
  border-top: 1px dashed var(--border);
  overflow-x: auto;
  white-space: pre;
}
.terminal-out .prompt { color: var(--text-muted); }

/* ------------------------------------------------------------
   12. CONTATO
   ------------------------------------------------------------ */
.contact { text-align: center; }
.contact .section-head { margin-bottom: 24px; }
.contact h2.title::after { margin-left: auto; margin-right: auto; }
.contact .btn-row { justify-content: center; }

/* E-mail em destaque */
.email-big {
  display: inline-block;
  font: 500 clamp(1.1rem, 3.4vw, 1.9rem) var(--font-mono);
  margin: 12px 0 28px;
  word-break: break-all;
}

/* ------------------------------------------------------------
   13. RODAPÉ
   ------------------------------------------------------------ */
footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font: .85rem var(--font-mono);
  color: var(--text-muted);
}

/* ------------------------------------------------------------
   14. ANIMAÇÃO DE REVELAR (fade-in ao rolar)
   ------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s, transform .6s;
}
.reveal.visible { opacity: 1; transform: none; }

/* Sem JS ativo, mostra tudo de cara */
.no-js .reveal { opacity: 1; transform: none; }

/* ------------------------------------------------------------
   15. ACESSIBILIDADE
   ------------------------------------------------------------ */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Respeita quem prefere menos movimento na tela */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------
   16. CARROSSEL DE PROJETOS (seção #codigo)
   ------------------------------------------------------------ */

/* Abas de projeto */
.project-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.project-tab {
  font: 500 .9rem var(--font-body);
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  cursor: pointer;
  transition: color .2s, border-color .2s, background .2s;
}
.project-tab:hover { color: var(--text); border-color: rgba(0, 18, 252, .45); }
.project-tab.is-active {
  color: var(--bg);
  background: var(--gradient);
  border-color: transparent;
}
.project-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Corpo do carrossel */
.carousel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  min-height: 420px;
}
.carousel:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

/* Só a página ativa aparece (depois que o JS marca .is-ready) */
.carousel.is-ready .page { display: none; }
.carousel.is-ready .page.is-active {
  display: block;
  animation: page-in .35s ease;
}
@keyframes page-in {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: none; }
}

/* Cabeçalho de cada página: índice + título */
.page-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.page-head h3 { margin: 0; color: var(--text); }
.page-index {
  font: 500 .8rem var(--font-mono);
  color: var(--accent-2);
  background: rgba(252, 169, 0, .1);
  border: 1px solid rgba(252, 169, 0, .25);
  border-radius: 999px;
  padding: 2px 10px;
}
.page p { color: var(--text-muted); }
.page p:last-child { margin-bottom: 0; }

/* Glossário em duas colunas */
.glossary { margin: 0; }
.glossary dt {
  font: 500 .95rem var(--font-mono);
  color: var(--accent);
  margin-top: 14px;
}
.glossary dt:first-child { margin-top: 0; }
.glossary dd { margin: 4px 0 0; color: var(--text-muted); }

/* Trecho de código */
.page pre {
  margin: 0;
  padding: 20px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font: .85rem/1.6 var(--font-mono);
  color: var(--text);
}

/* Editor de código — tema escuro estilo Visual Basic, com destaque de variáveis */
.code-editor {
  background: #0E0A16;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.code-editor__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font: .8rem var(--font-mono);
  color: var(--text-muted);
}
.code-editor__bar .dot { width: 11px; height: 11px; border-radius: 50%; flex: none; }
.code-editor__bar .dot.r { background: #FF5F57; }
.code-editor__bar .dot.y { background: #FEBC2E; }
.code-editor__bar .dot.g { background: #28C840; }
.code-editor__bar .fname { margin-left: 6px; }

.code-editor pre {
  margin: 0;
  padding: 18px 20px 18px 0;
  overflow-x: auto;
  font: .82rem/1.7 var(--font-mono);
  color: var(--text);
  counter-reset: ln;
}
.code-editor code { display: block; font: inherit; white-space: normal; }
.code-editor .l {
  display: block;
  white-space: pre;
  padding-left: 60px;
  position: relative;
  min-height: 1.7em;
}
.code-editor .l::before {
  counter-increment: ln;
  content: counter(ln);
  position: absolute;
  left: 0;
  width: 38px;
  text-align: right;
  color: #475569;
  user-select: none;
}

/* Destaque de sintaxe — tema escuro estilo Visual Basic */
.tk-kw   { color: #6E9BFF; }   /* palavra-chave */
.tk-type { color: #FCA900; }   /* classe/tipo */
.tk-var  { color: #8BE9FD; }   /* variável/propriedade */
.tk-fn   { color: #FFD166; }   /* função/método */
.tk-str  { color: #9BE564; }   /* string */
.tk-num  { color: #FF9E64; }   /* número */
.tk-com  { color: #6B7A90; font-style: italic; }  /* comentário */

/* Botão de abrir o jogo em tela cheia */
.play-trigger {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  height: 320px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0, 18, 252, 0.18), rgba(11, 15, 23, 0) 70%),
    var(--code-bg);
  color: var(--text);
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s, transform .15s;
}
.play-trigger:hover {
  border-color: var(--accent);
  box-shadow: 0 0 32px rgba(0, 18, 252, 0.25);
  transform: translateY(-1px);
}
.play-trigger:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.play-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.play-label { font: 600 1.15rem var(--font-head); }
.play-hint { font: .85rem var(--font-body); color: var(--text-muted); }

/* Overlay do jogo em tela cheia (mesma aba) */
body.game-open { overflow: hidden; }
.game-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  padding: 56px 12px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.game-modal[hidden] { display: none; }
.game-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(22, 30, 46, 0.7);
  color: var(--text);
  font: 300 1.6rem/1 var(--font-body);
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 1;
}
.game-modal-close:hover { color: var(--accent-2); border-color: var(--accent-2); }
.game-modal-frame {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
}

/* Placeholder "em breve" */
.soon {
  display: grid;
  place-items: center;
  min-height: 320px;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
}
.soon[hidden] { display: none; }

/* Controles: setas, dots e contador */
.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.carousel-controls[hidden] { display: none; }
.car-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: 400 1.5rem/1 var(--font-body);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: color .2s, border-color .2s, background .2s;
}
.car-btn:hover { color: var(--bg); background: var(--gradient); border-color: transparent; }
.car-btn:focus-visible,
.car-dot:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.car-dots { display: flex; gap: 8px; }
.car-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border-radius: 999px;
  border: 0;
  background: var(--border);
  cursor: pointer;
  transition: width .25s, background .25s;
}
.car-dot:hover { background: var(--text-muted); }
.car-dot.is-active { width: 28px; background: var(--gradient); }

.car-count {
  font: 500 .875rem var(--font-mono);
  color: var(--text-muted);
  min-width: 48px;
  text-align: center;
}

/* Responsivo */
@media (max-width: 720px) {
  .carousel { padding: 18px; min-height: 0; }
  .page iframe { height: 420px; }
  .project-tab { font-size: .85rem; padding: 7px 12px; }
}

/* Movimento reduzido: sem animação de entrada */
@media (prefers-reduced-motion: reduce) {
  .carousel.is-ready .page.is-active { animation: none; }
}